2024年9月30日 · 医疗保健行业： vfm 可以改进医学图像分析，通过检测 x 射线、mri 和 cti 扫描以及其他医学图像中的问题来协助疾病检测和诊断。 网络安全系统： vfm可以提供复杂的观察，发现违规行为，并识别网络安全领域的潜在威胁。

2025年2月14日 · Recent advancements in Visual Foundational Models (VFM), especially memory-based approaches, offer opportunities for improving generalizability and robustness. This study introduces a deep learning (DL) method for cartilage and meniscus segmentation from 3D MRIs using interactive, memory-based VFMs.

Among these, Vector Flow Mapping (VFM), combing Color-Doppler imaging and speckle tracking data, seems to be a promising approach, feasible in adult and children population. Aim of the review: The aim of this review is to give a historical perspective on the development of VFM method and a summary of the current algorithms and parameters ...

2022年3月1日 · Clinical applications include the comprehensive assessment of hemodynamics and cardiac functions in echocardiography vector flow mapping (VFM), 4D flow MRI, and surgical planning as a simulation medicine in computational fluid dynamics (CFD).For evaluation of the hemodynamics, novel mathematically derived parameters obtained using measured ...

VisionFM is able to process eight common ophthalmic imaging modalities including fundus photography, optical coherence tomography (OCT), fundus fluorescein angiography (FFA), slit lamp, B-scan ultrasound, external eye imaging, MRI, and ultrasound biomicroscopy (UBM), and can be applied to solve various ophthalmic AI tasks such as ocular disease ...

2017年9月19日 · Flow measurement-based tools are 4D flow MRI and echocardiography VFM, both of which have limitations in temporal and spatial resolutions but can visualize complicated flow with a heart chamber or valve motion. CFD simulation is a method of flow calculation with sufficiently fine resolution, but it depends on the calculation assumption.

目的 应用血流向量图(vector flow mapping,VFM)技术分析正常人左心室血流动力学特点.方法 健康志愿者50例,心尖左室长轴观记录动态彩色多普勒血流图像,VFM技术分析不同心动时相左室内血流速度向量分布特点,观察左室内基本流和涡流的分布情况.结果 等容收缩期左室 ...

2024年12月24日 · 受到视觉基础模型（visual foundation models, VFM）提取通用表示能力的启发，本文提出了AIO-Stereo方法，AIO-Stereo首次探索了利用多个VFM的知识来协同提升双目匹配性能，将多个VFM的知识迁移到单一的双目匹配模型中。

血流向量成像(vector flow mapping，VFM)技术 是一项研究心血管腔内血流动力学特点的新技术，它可以定量评估左心室WSS。 心腔内的血流对室壁施加WSS，有助于调节室壁内皮细胞的生理功能 [ 3 ] 。

Vector Flow Mapping (VFM) はそうした流れの中で開発された超音波診断から血流をベクトルとして可視化する手法である 1。 VFMは、同様に血流を可視化する手法であるPhase Contrast MRIに比べて圧倒的に簡便に扱うことが可能で、臨床現場に根ざした診療モダリティになる可能性を大いに秘めている。 本項ではVFMの基本的な原理や考え方について、MRIやコンピュータ血流シミュレーションとの対比も交えながら解説を行う。 超音波VFMは超音波カラードプラ …